LAN71 bottom bracket tapper complete with SILVA 070/071 cobalt HSS BSA taps. Below the tapper are the rods for 100 and 120mm width bottom bracket shells. The tapper is sold with one male arbor, one female arbor and three rods - 1ea. 68/73, 1ea. 100 and 1ea. 120mm. The male arbor is fitted with two 5x0.8mm set screws to allow a quick change from one rod to another with a 2.5mm Allen wrench.